Colorado City Hose Company No. 1 poses outside their false front fire station, El Paso County, Colorado. The firefighters include boys and men of various ages holding the rope of their hosecart with decorated wheels and fire hose nozzles.

View of a U.S. Gold Placers mining site beside the San Miguel River in Montrose or San Miguel County, Colorado. Two hydraulic monitor nozzles are used to wash gravel from the soil. A water pipeline feeds the nozzles. The pipe rests in wooden...

View of an unidentified hydraulic mine near Leadville in Lake County, Colorado. A miner directs a monitor nozzle to excavate and wash gravel from the ground. Shows a metal pipe attached to the nozzle. Mountains are in the distance.